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Unformatted text preview: probability easily using Z table. a)
Question asks to find which manufacturer produces the lowest number of the defective items. But some of you did not state it. :
1point b)
wrong z value each :
1point
wrong probabilities:
1point each (wrong usage of Z table)
no recognition of total probability :
5points c) Quite a few of you got confused with the wording. It says that the manufacturer with the higher fraction of defective changes its standard deviation. But many of you did it the other way around:
2points 4/6 CEE 202 – Engineering Risk & Uncertainty Spring 2011 (Bond) Homework 7 Distributions Aplenty 4) 25 points A class of 5 students plays a game in which each student spins a wheel with a 12.5% probability of winning $1,000 in cash. A professor whose research funding has been eliminated by budget cuts mugs two students exiting this classroom and takes...
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This document was uploaded on 03/06/2014 for the course CEE 202 at University of Illinois, Urbana Champaign.
 Spring '08
 Clark

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